Finding the Fourth Proportional to 162,315.03, 243,498.71 and 49,995.21

Step by Step Solution

1. Step 1: Write the proportion equation
   162,315.03 : 243,498.71 = 49,995.21 : x
2. Step 2: Convert to fraction form
   162,315.03/243,498.71 = 49,995.21/x
3. Step 3: Cross multiply
   162,315.03x = 243,498.71 × 49,995.21
4. Step 4: Simplify right side
   162,315.03x = 12,173,768,891.20
5. Step 5: Solve for x
   x = 12,173,768,891.20/162,315.03
6. Step 6: Final answer
   x = 75,000.87